Income Taxes - Additional Information (Details) - USD ($)
$ in Millions
 6 Months Ended 12 Months Ended
Jan. 01, 2016
Dec. 31, 2015
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Operating Loss Carryforwards [Line Items]          
Federal and provincial income tax rate   26.00%      
Internal Revenue Service          
Operating Loss Carryforwards [Line Items]          
Effective income tax rate     34.00%    
Effective franchise tax rate       0.50% 0.50%
State and Local Jurisdiction | Canada Revenue Agency          
Operating Loss Carryforwards [Line Items]          
Canadian federal income tax rate     15.00%    
Scenario, Forecast | Canada Revenue Agency          
Operating Loss Carryforwards [Line Items]          
Federal and provincial income tax rate 27.00%        
Scenario, Forecast | State and Local Jurisdiction | Canada Revenue Agency          
Operating Loss Carryforwards [Line Items]          
Provincial tax rate 12.00%        
U.S.          
Operating Loss Carryforwards [Line Items]          
Operating loss carryforwards   $ 0.7 $ 0.7    
Canada          
Operating Loss Carryforwards [Line Items]          
Operating loss carryforwards   $ 4.9 $ 4.9 $ 8.5  
Minimum | State and Local Jurisdiction | Canada Revenue Agency          
Operating Loss Carryforwards [Line Items]          
Provincial tax rate     10.00%    
Maximum | State and Local Jurisdiction | Canada Revenue Agency          
Operating Loss Carryforwards [Line Items]          
Provincial tax rate     11.00%